发明名称 Universal dies of controllable curvature
摘要 A flexible but strong universal die is disclosed, that is flexible enough to be elastically deflected into different curvatures by actuating forces and moments, while being strong enough to support the die forces and moments that it has to apply to parts to form them to the shape corresponding to its shape. A design of the die and actuation locations that makes it easy to deflect it into different constant curvatures, as well as into shapes with gradients of curvature along the length of the die, and the use of these dies for stretch roll forming are disclosed.
申请公布号 US2013283880(A1) 申请公布日期 2013.10.31
申请号 US201213565793 申请日期 2012.08.02
申请人 MADHAVAN VISWANATHAN 发明人 MADHAVAN VISWANATHAN
分类号 B21D7/08 主分类号 B21D7/08
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